HTC Desire A8181 Unlocked Quad-Band GSM Phone with Android OS, HTC Sense UI, 5 MP Camera, Wi-Fi and gps navigation--International Version No Warranty (Brown) This unlocked cell phone is compatible with GSM carriers like AT and T and T-Mobile. Not all carrier features may be supported. Quad-Band Unlocked GSM cell phone compatible with 850/900/1800/1900 GSM and 900/2100 3G frequencies plus GPRS/EDGE capabilities Camera: 5 MP, 2592 x 1944 pixels, autofocus, LED flash; Display: 3.7 inches, 480 x 800 pixels; Multi-touch input method Up to 6 hours of talk time, up to 340 hours of standby time. Platform: Android OS, v2.1 (Eclair); CPU: Qualcomm Snapdragon QSD8250 1 GHz processor; Stereo FM radio with RDS